What is the meaning of Bi-?

Two in number.

Having or possessing two of the root word's quality.

Both: referring to two as a set.

Being different in two ways with respect to the root.

Forked, divided by two, halved; half

Double, twofold.

Bisexual, relating to bisexuality.

Bilateral, on both sides of the body.

Twice.

Every two; a rate of once every two.

A pair of; composed of two.

Alternative form of bio-

-less, un-, in-.

bi-

bi-

by-, side-

bi-

bi- (double, twin)

bi-

bi-

bi-

Romanization of 𐌱𐌹-

bi-

bi-: two, pair, both.

Alternative form of bith-, used before a slender T.

bi-

di-

having two parts

occurring twice

-less; prefix expressing the lack of the root word.

bi-.

A prefix forming transitive verbs from any content word, often denoting completion or thoroughness.

A prefix forming prepositions, often denoting adjacency, position, or relation.

Alternative form of by-

forms the affirmative subjunctive mood of verbs.

by-, by, side

bi-

by-, by, side

bi-

near, around (compare Latin para-)

A productive prefix usually used to form verbs and adjectives, especially verbs with the sense “around, throughout” or makes transitive verbs from intransitive verbs, adjectives and nouns.

prefix meaning near, around (compare Latin para-), occurring primarily in nouns

class 8 pronominal concord

they; class 8 subject concord

positive imperative form of -bi- (“them; class 8 object concord”)

his, her, its, their

bi-, two

bi- (two-)

bi-

by-, next to, near, by the side, aside; same as English by- and German bei-; see also the rare preposition bi

bi-, two, dual; from Latin bis (“twice”)

-less, un-, in-.

Source: wiktionary.org